Step 4: Read and complete the decision guide to learn more about your symptoms.
Osteoarthritis of the Knee
Okay. If you take less than the maximum recommended dosage (see the medication label) and it works well for you, that may be all you need to do for now. (It's generally a good idea not to take the maximum recommended dose long-term; and you should definitely not go above the recommended dosage). Ask your doctor about the safety and advisability of acetaminophen in your particular situation.
Have you tried a non-steroidal anti-inflammatory drug (NSAID), such as ibuprofen or naproxen?